Curious Obsession - Uncommon - RIX035
by Wizards of the Coast
Card Type: Enchantment
Casting Cost: U
Card Text: Enchant creature
Enchanted creature gets +1/+1 and has "Whenever this creature deals combat damage to a player, you may draw a card."
At the beginning of your end step, if you didn't attack with a creature this turn, sacrifice Curious Obsession.